Grammar mistake that shits you the most

[OMGMOO]

Haha making a thread like this is so risky because any slight mistake that you make as the OP is going to be pounced on like a fat kid on a cake.

Someone said to me once, while playing CS: "your so fail at life omg learn too play dumass"<-- come on, really? He might have just been trolling me, but i hadn't just finished explaining to the server that I'm a grammar nazi so... yeah...

 

[mexicola]

It's not a mistake, people do it on purpose to shorten the word, but I find it irritating when people type "cuz". Argh!

 

[Cmwissy]

I'm pretty late to the grammar Nazi party, so I'm still pissed at your/you're and their/there/they're.

Although a personal pedantic problem I have is the butchering misuse of the word 'random' by teens.